G2 Vendor Directory

IBM vs. Microsoft

Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.

IBM

Armonk, New York, United States

Microsoft

Redmond, Washington

MetricIBMMicrosoft
Avg. rating4.34.4
Total reviews12,195103,081
Review growth (QoQ)-23.3%-71.5%
Products on G2129294
Categories covered270326
Best category rank#1 in Application Performance Monitoring (APM)#1 in Business Instant Messaging
Small Business24.2%28.7%
Mid-Market29.2%34.3%
Enterprise46.6%37.1%